Home / 13,112.96-18,096.78-8,010.66

Finding the Fourth Proportional to 13,112.96, 18,096.78 and 8,010.66

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Solution

The fourth proportional to 13,112.96, 18,096.78 and 8,010.66 is: 11,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.96 : 18,096.78 = 8,010.66 : x
  2. Step 2: Convert to fraction form
    13,112.96/18,096.78 = 8,010.66/x
  3. Step 3: Cross multiply
    13,112.96x = 18,096.78 × 8,010.66
  4. Step 4: Simplify right side
    13,112.96x = 144,967,151.67
  5. Step 5: Solve for x
    x = 144,967,151.67/13,112.96
  6. Step 6: Final answer
    x = 11,055.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.